In this set you have 4 paints selected by Tracy Scott:

Butternut - an opaque pale orange
Tangerine Twist - a transluscent bright orange
Prawn - a semi opaque pink
Jade - an opaque, deep teal

These colours are Tracy's picks from a variety of previous limited edition or discontinued paints. They are exactly Tracy's preferred colour palette, along with her personal favourites: Turquoise, Caribbean Sea, Bubble Gum and Cherry Red.